Definition of processionary in English:

processionary

(also processionary moth)

noun

  • 1A greyish moth whose caterpillars live communally in silken tents in trees, marching out at night in procession to feed, causing substantial damage.

    Family Thaumetopoeidae: several species, in particular the European pine processionary (Thaumetopoea pityocampa)

    1. 1.1 The larva of the processionary moth.

Pronunciation

processionary

/prəˈsɛʃ(ə)n(ə)ri/